PIC PIC Pavement Distress & Failure Analysis

Question 1

Which type of pavement distress is characterized by an interconnected series of cracks forming a pattern resembling an alligator's skin?

Accepted Answer

Alligator (fatigue) cracking

Answer

Longitudinal cracking

Answer

Transverse cracking

Answer

Block cracking

Question 2

Rutting in an asphalt pavement is best described as:

Accepted Answer

Permanent surface deformation in the wheel paths

Answer

Cracking along the centerline of the roadway

Answer

Upward displacement of pavement at the edges

Answer

Longitudinal separations between pavement layers

Question 3

Bleeding (or flushing) on an asphalt surface is caused by:

Accepted Answer

Excess asphalt binder migrating to the surface

Answer

Insufficient asphalt binder in the mix

Answer

Aggregate particles raveling from the surface

Answer

Water infiltrating through surface cracks

Question 4

Raveling in asphalt pavement refers to:

Accepted Answer

Progressive loss of aggregate particles from the pavement surface

Answer

Formation of wheel-path depressions under traffic

Answer

Upward curling of pavement edges due to moisture

Answer

Cracking along lane or shoulder edges

Question 5

A paving inspector notices transverse cracks spaced evenly across a pavement. This pattern is most commonly associated with:

Accepted Answer

Thermal contraction of the asphalt layer

Answer

Overloading by heavy trucks

Answer

Excess moisture in the base course

Answer

Improper roller operation during compaction

Question 6

Shoving in an asphalt pavement is a form of distress where:

Accepted Answer

The pavement surface has a corrugated or rippled appearance

Answer

The surface aggregate wears smooth from traffic polishing

Answer

Water seeps upward through the pavement base

Answer

Reflective cracks appear above an underlying layer